This is an activity about albedo, which is a measurement of the reflectance of a planetary surface. Learners will classify areas on an image in terms of albedo values and then sketch their own portion of an image from space. These sketches are...(View More) assembled to view the larger image that the class or group has created. Note: See Related & Supplemental Resources (right side of this page) for a link to download the student pages of this activity.(View Less)

Learners will use a variety of resources to conduct research to try to find answers to the questions they generated in previous activities. They continue to work the way scientists do by communicating what they learned from their research about Mars...(View More) and present questions they still have and that others might want to think about researching in the future. This is activity 8 of 9 in Mars and Earth: Science Learning Activities for After School.(View Less)

In this activity, students experiment to test the hypothesis that Mars was once hotter. The activity requires some advance preparation by the teacher: the day before the activity, need to place a plastic bottle filled with water in the freezer....(View More) Materials needed include plastic bottle of water and thermometer. It is a companion piece to a CD about the exploration of Mars that uses song and drama to tell the story of Spirit and Opportunity, NASA's Mars Exploration Rovers, and their mission to search for signs of ancient water.(View Less)